Compare and contrast the advantages and disadvantages of production of genetically modified crops.
Crystals of Bt toxin produced by some bacteria do not kill the bacteria
themselves because –
(a) bacteria are resistant to the toxin
(b) toxin is immature
(c) toxin is inactive
(d) bacteria encloses toxin in a special sac.
Find out what the various components of the medium used for
propagation of an explant in vitro are?
What is the major advantage of producing plants by micropropagation?
Which part of the plant is best suited for making virus-free plants and why?
Discuss with your teacher and find out how to distinguish between
(a) Plasmid DNA and Chromosomal DNA
(b) RNA and DNA
(c) Exonuclease and Endonuclease
Explain briefly
(a) PCR
(b) Restriction enzymes and DNA
(c) Chitinase
Describe briefly the following:
(a) Origin of replication
(b) Bioreactors
(c) Downstream processing